Fixed:
- list_issues silently dropped issue IIDs past the first page (#24)
- GITLAB_URL -> GITLAB_API_URL doc references in README and CONTRIBUTING

Security:
- Patched transitive npm vulnerabilities in ajv, hono, and rollup

Changed:
- .mcp.json added to .gitignore
- README: named competitor table, fixed onboarding path (#21)
- API reference documentation expanded (#20)
- Removed marketing language; README reflects the 86 real MCP tools (#19)